247113342 has 80 divisors (see below), whose sum is σ = 635627520. Its totient is φ = 70291152.

The previous prime is 247113341. The next prime is 247113439. The reversal of 247113342 is 243311742.

It is a happy number.

It is a super-2 number, since 2×247113342² = 122130007588817928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247113341) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 406803 + ... + 407409.

It is an arithmetic number, because the mean of its divisors is an integer number (7945344).

Almost surely, 2^247113342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247113342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317813760).

247113342 is an abundant number, since it is smaller than the sum of its proper divisors (388514178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247113342 is a wasteful number, since it uses less digits than its factorization.

247113342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 978 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 247113342 is about 15719.8391213142. The cubic root of 247113342 is about 627.5264916886.

The spelling of 247113342 in words is "two hundred forty-seven million, one hundred thirteen thousand, three hundred forty-two".